/*
 * Thinning.h
 *
 * Author:
 *       Oleg Kalashev
 *
 * Copyright (c) 2020 Institute for Nuclear Research, RAS
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */


#ifndef THINNING_H
#define	THINNING_H

#include <vector>
#include "Particle.h"
#include "Randomizer.h"

namespace mcray
{

class IThinning {
public:
	//must be thread-safe
    virtual void Run(std::vector<Particle>& aParticles, Randomizer& aRandomizer) = 0;
};

	enum FilterMode{
		BlackList,
		WhiteList
	};

class EnergyBasedThinning : public  IThinning {
public:
	EnergyBasedThinning(double aAlpha, FilterMode aFilterMode=WhiteList);
    void Run(std::vector<Particle>& aParticles, Randomizer& aRandomizer);
    virtual ~EnergyBasedThinning(){}
	void EnableFor(ParticleType aType, bool aDoEnable = true) { fEnableFor[aType] = aDoEnable;}
private:
    double				fAlpha;
	std::vector<bool>	fEnableFor;
};

}
#endif	/* THINNING_H */

